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/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "engines/stark/ui/cursor.h"
#include "engines/stark/gfx/driver.h"
#include "engines/stark/services/gameinterface.h"
#include "engines/stark/services/global.h"
#include "engines/stark/services/services.h"
#include "engines/stark/services/staticprovider.h"
#include "engines/stark/resources/item.h"
#include "engines/stark/visual/image.h"
#include "engines/stark/visual/text.h"
namespace Stark {
const float Cursor::_fadeValueMax = 0.3f;
Cursor::Cursor(Gfx::Driver *gfx) :
_gfx(gfx),
_cursorImage(nullptr),
_mouseText(nullptr),
_currentCursorType(kNone),
_currentHint(""),
_fading(false),
_fadeLevelIncreasing(true),
_fadeLevel(0) {
setCursorType(kDefault);
}
Cursor::~Cursor() {
delete _mouseText;
}
void Cursor::setCursorType(CursorType type) {
if (type == _currentCursorType) {
return;
}
_currentCursorType = type;
if (type == kNone) {
_cursorImage = nullptr;
return;
}
_cursorImage = StarkStaticProvider->getCursorImage(_currentCursorType);
}
void Cursor::setCursorImage(VisualImageXMG *image) {
_currentCursorType = kNone;
_cursorImage = image;
}
void Cursor::setMousePosition(Common::Point pos) {
_mousePos = _gfx->getScreenPosBounded(pos);
}
void Cursor::setFading(bool fading) {
_fading = fading;
}
void Cursor::updateFadeLevel() {
if (_fading) {
if (_fadeLevelIncreasing) {
_fadeLevel += 0.001f * StarkGlobal->getMillisecondsPerGameloop();
} else {
_fadeLevel -= 0.001f * StarkGlobal->getMillisecondsPerGameloop();
}
if (ABS(_fadeLevel) >= _fadeValueMax) {
_fadeLevelIncreasing = !_fadeLevelIncreasing;
_fadeLevel = CLIP(_fadeLevel, -_fadeValueMax, _fadeValueMax);
}
} else {
_fadeLevel = 0;
}
}
void Cursor::render() {
updateFadeLevel();
_gfx->setScreenViewport(true); // The cursor is drawn unscaled
if (_cursorImage) {
_cursorImage->setFadeLevel(_fadeLevel);
_cursorImage->render(_mousePos, true);
}
if (_mouseText) {
// TODO: Should probably query the image for the width of the cursor
_mouseText->render(Common::Point(_mousePos.x + 20, _mousePos.y));
}
}
Common::Point Cursor::getMousePosition(bool unscaled) const {
if (unscaled) {
return _mousePos;
} else {
// Most of the engine expects 640x480 coordinates
return _gfx->convertCoordinateCurrentToOriginal(_mousePos);
}
}
void Cursor::setMouseHint(const Common::String &hint) {
if (hint != _currentHint) {
delete _mouseText;
if (hint != "") {
_mouseText = new VisualText(_gfx);
_mouseText->setText(hint);
_mouseText->setColor(0xFFFFFFFF);
_mouseText->setBackgroundColor(0x80000000);
_mouseText->setFont(FontProvider::kSmallFont);
_mouseText->setTargetWidth(96);
} else {
_mouseText = nullptr;
}
_currentHint = hint;
}
}
} // End of namespace Stark
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